We are a small but diversified 10 person software development and tech support firm established in 2006. We have worked with over 25 clients, and have done software for as little as $200 (1-2 day job) and as much as $35,000 (18 man months). So we can handle a large variety of small and large projects.

Our key developers have a strong experience with skills you listed:

Drupal: up to 3 years experience;
PHP: up to 7 years experience;
LAMP: up to 7 years experience;
HTML, DHTML, AJAX, Javasripting, Design, SEO;

Our key developers have a substantial experience with Lamp Administration and PHP Programing, which allows us to perform the requirements perfectly in the shortest possible time. Also we made a great deal of projects using PHP and Drupal. All members of our team have a perfect knowledge of HTML and CSS.
.
Basically we are working on drupal extensively from last 3 years, both on theme and module development (drupal 5, 6 & 7).
We are also working on drupal Theming, optimization, Ajaxifying (using jquery), web 2.0 and backup recovery.
We have very special expertise in the field of SEO.
We have done the following 3rd parties API integration within our customized drupal modules:
1.Apache Solr
2. jquery API
3. ubercart
4. authorize.net
5. Zillow
6. Cyberhomes
7. education.com
8. paypal
9. 2checkout
10. Google maps
11. Google Ajax search
12. Google geocode (both php & javascript)
13. YouTube zend API
14. Max mind etc.

We were also looking forward to online meeting with you with the purpose of discussing the possibilities of having even specific tie ups. We will get back in touch with you to set up a online meeting that will be at a time convenient for you.